import React, { Component } from "react";
import Home from "./components/Home";
import About from "./components/About";
import { Route, Switch, Redirect } from "react-router-dom/cjs/react-router-dom";
import MyNavLink from "./components/MyNavLink/index";
import "./index.css";
export default class App extends Component {
  render() {
    return (
      <div>
        <div className="row">
          <div className="col-xs-offset-2 col-xs-8">
            <div className="page-header">
              <h2>React Router Demo</h2>
            </div>
          </div>
        </div>

        <div className="row">
          <div className="col-xs-2 col-xs-offset-2">
            <button onClick={this.forward}>前进</button>
            <button onClick={this.back}>后退</button>
            <button onClick={this.go}>go</button>
            <div className="list-group">
              {/* <a className="list-group-item active" href="./about.html">
                About
              </a>
              <a className="list-group-item" href="./home.html">
                Home
              </a> */}
              <MyNavLink to="/about">About</MyNavLink>
              <MyNavLink to="/home"> Home</MyNavLink>
            </div>
          </div>
          <div className="col-xs-6">
            <div className="panel">
              <div className="panel-body">
                <Switch>
                  <Route path="/about" component={About}></Route>
                  <Route path="/home" component={Home}></Route>
                  <Redirect to="/about" />
                </Switch>
              </div>
            </div>
          </div>
        </div>
      </div>
    );
  }
}
